function restricted_weapon()
	return {
				["wpn_pm"] = true,
				["wpn_midget"] = true
			}
end


local active_item = npc:active_item()
if (active_item and hit.power >= 0.4 and bone_index == npc:get_bone_id("bip01_r_forearm")) then
	local restricted_weapon = restricted_weapon()
	if not (restricted_weapon[active_item]) then
		if (math.random(1,4) == 1) then
			npc:set_item(object.drop, active_item)
		end
	end
end